231242403340011 has 16 divisors (see below), whose sum is σ = 370915133177600. Its totient is φ = 125183857447008.

The previous prime is 231242403339929. The next prime is 231242403340021. The reversal of 231242403340011 is 110043304242132.

It is not a de Polignac number, because 231242403340011 - 2⁹ = 231242403339499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (231242403340021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289777447396 + ... + 289777448193.

It is an arithmetic number, because the mean of its divisors is an integer number (23182195823600).

Almost surely, 2^{231242403340011} is an apocalyptic number.

231242403340011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

231242403340011 is a deficient number, since it is larger than the sum of its proper divisors (139672729837589).

231242403340011 is a wasteful number, since it uses less digits than its factorization.

231242403340011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579554895618.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 231242403340011 its reverse (110043304242132), we get a palindrome (341285707582143).

The spelling of 231242403340011 in words is "two hundred thirty-one trillion, two hundred forty-two billion, four hundred three million, three hundred forty thousand, eleven".